Eutheria
Eutheria
Fossil d'Eomaia scansoria, un euterian basal
| Règne | Animalia |
|---|---|
| Embrancament | Chordata |
| Sosembr. | Vertebrata |
| Infraembr. | Gnathostomata |
| Superclassa | Tetrapoda |
| Classa | Mammalia |
| Sosclassa | Theria |
Eutheria
Owen, 1880
Taxons de reng inferior
- †Adapisoriculidae
- †Asioryctitheria
- †Cimolesta[1]
- †Didymoconidae
- †Leptictida
- †Zalambdalestidae
- †Zhelestidae
- Placentalia (placentaris)
Los placentaris (Placentalia), tanben apelats euterians (Eutheria), forman l'infraclassa mai importanta dels mamifèrs, dins l'embrancament dels Vertebrats.
La caracteristica principala d'aquesta classa es que los embrions se desvolopan entièrament dins lo còrs de lor maire, e son alimentats durant la grossessa gràcias a la placenta.
Aquesta classa se devesís en òrdres:
- los artiodactils
- los carnivòrs
- los cetacèus
- los quiroptèrs
- los insectivòrs
- los lagomòrfs (conilh, ...)
- los primats
- los sirenians
- los perissodactils (caval, ...)
- los proboscidians (elefant, ...)
- los rosegaires
- los tubulidentats
Vejatz tanben
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